title: [Express of plasma ROS, SOD and GSH-PX in patients with nasopharyngeal carcinoma].
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000201:enzymology / Q000378:metabolism; D005260:Female; D016166:Free Radical Scavengers / Q000627:therapeutic use; D005979:Glutathione Peroxidase / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000201:enzymology* / Q000378:metabolism; D017382:Reactive Oxygen Species / Q000097:blood*; D013482:Superoxide Dismutase / Q000097:blood*
chemical_list: D016166:Free Radical Scavengers; D017382:Reactive Oxygen Species; D005979:Glutathione Peroxidase; D013482:Superoxide Dismutase